CVE-2024-33507: Critical severity Fortinet FortiIsolator vulnerability

Published Oct 14, 2025
·
Updated

An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.

Affected Software

2 affected components
Fortinet FortiIsolator>=2.4.0<=2.4.4, >=2.3, =2.2.0, >=2.1, >=2.0
Fortinet FortiIsolator>=2.3.0<2.4.5

Remediation

Information

Upgrade to FortiIsolator version 3.0.0 or above Upgrade to FortiIsolator version 2.4.5 or above

Event History

Oct 14, 2025
CVE Published
via MITRE·03:23 PM
Data Sourced
via MITRE·03:23 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-33507?

CVE-2024-33507 is considered a high severity vulnerability due to its potential for unauthorized access and impact on session security.

2

How do I fix CVE-2024-33507?

To remediate CVE-2024-33507, users should upgrade FortiIsolator to the latest version that addresses this vulnerability.

3

What types of vulnerabilities does CVE-2024-33507 involve?

CVE-2024-33507 involves an insufficient session expiration vulnerability and an incorrect authorization vulnerability.

4

Who is affected by CVE-2024-33507?

CVE-2024-33507 affects FortiIsolator versions 2.4.0 through 2.4.4, along with all versions of 2.3, 2.2.0, 2.1, and 2.0.

5

Can CVE-2024-33507 be exploited remotely?

Yes, CVE-2024-33507 can be exploited by a remote unauthenticated attacker to deauthenticate users.

Contact

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